package com.walleipt.demo.aop.aspectj;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.context.annotation.EnableAspectJAutoProxy;@EnableAspectJAutoProxy@Configurationpublic class AppConfig {		@Bean	public AspectJLoger aspectJLoger() {		return new AspectJLoger() ;	}		@Bean	public Printer printer() {		return new Printer() ;	}}